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Vitamins & Minerals
N/a
77
Nursing
Undergraduate 2
10/07/2009

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Cards

Term
What is the function of Vitamin A?
Definition
Night vision, Skin cell formation, Growth and Reproduction, Retardation of Aging (Retin-A cream)
Term
What happens when someone is deficient in vitamin A?
Definition
Poor night vision, Keratinization of skin, failure to grow, reproduction failure.
Term
What are the side effects of Vitamin A toxicity?
Definition
Headache, vomiting, joint pain, thickening of bones, hair loss, jaundice.
Term
What are some food sources of Vitamin A?
Definition
Fortified milk, dark green, deep yellow, and orange veggies, yellow and orange fruits.
Term
What is the function of Vitamin D?
Definition
Essential for bone growth, AKA sunshine vitamin, enhances Calcium and Phosphorous absorption, bone mineral metabolism, cell growth, muscle function.
Term
What are the side effects for Vitamin D deficiency?
Definition
Faulty bone growth, Rickets (children), Osteomalacia (adults)
Term
What are the side effects for vitamin D toxicity?
Definition
Progressive weakness, bone pain, hypercalcemia, failure to thrive, calcification of soft tissue.
Term
What are some food sources of vitamin D?
Definition
Fortified milk (cow and soy), fortified OJ, oily fish, sunlight on the skin.
Term
What is the function of Vitamin E?
Definition
Antioxidant, cell membrane protection, retardation of aging.
Term
What are the signs of vitamin E deficiency?
Definition
Anemia in premature babies, increased risk of oxidative damage to body tissues.
Term
What are some food sources for Vitamin E?
Definition
Vegetable oils, fortified cereals, nuts, dark green leafy veggies, spaghetti sauce.
Term
What is the function of vitamin K?
Definition
Synthesized in Large intestines (requires E-coli), Important role in blood clotting, bone formation, antibiotics and anticoagulants interfere (coumadin) with synthesis.
Term
What are the signs of vitamin K deficiency?
Definition
Petechial hemorahages, hemorrhagic disease of the newborn, defective clotting.
Term
What are some food sources for vitamin K?
Definition
Green leafy vegetables, canned tuna, spaghetti sauce, synthesized by intestinal bacteria.
Term
What is the function of Vitamin C?
Definition
Antioxidant, collagen synthesis, general metabolism (tyrosine formation, hemoglobin synthesis), wound healing, immune function.
Term
What are the signs of Vitamin C deficiency?
Definition
Scurvy, slowed wound healing, anemia, easy bruising, petechial hemorrhages, gingivitis.
Term
What are some food sources of vitamin C?
Definition
Citrus fruits and berries, broccoli, cabbage, chili, peppers, potatoes, tomatoes.
Term

What is the function of Thiamin (B-1)?

 

Definition
Carb metabolism, coenzyme for glucose breakdown.
Term
What are the signs of Thiamin (vitamin b-1) deficiency?
Definition
Alcoholics require increased amounts, Beriberi-marked fatigue, chest pain, abdominal discomfort. highly polished rice has lost thiamine content via milling process.
Term
What are some food sources of Thiamin (vitamin b-1)?
Definition
Pork, beef, organ meats, whole grains, fortified cereals, legumes.
Term
What are the functions of Riboflavin (b-2)?
Definition
coenzyme in tissue building and general metabolism.
Term
what are the signs of Riboflavin (b-2) deficiency?
Definition
Cheilosis (lip swelling, cracking of the corner of the mouth), glossitis, seborrheic dermatitis (greasy, scaly skin) itchy burning eyes.
Term

What are some food sources of Riboflavin (b-2)?

 

Definition
milk products, organ meats, enriched cereals
Term
What is the function of Niacin (b-3)?
Definition
Coenzyme in glucose metabolism, precursor for tryptophan converted into niacin.
Term
What are the signs of deficiency of Niacin (b-3)?
Definition

Pellegra: 4 D's

Dermatitis, Diarrhea, Dementia, and Death c/o muscle weakness & anorexia.

Term
What are some food sources of Niacin (b-3)?
Definition
Meat, protein foods containing tryptophan, peanuts, enriched grains/cereals.
Term
What is the function of Pyridoxine (b-6)?
Definition
Coenzyme in protein metabolism (neurotransmitters transfer of substances, niacin formation from tryptophan, hemoglobin formation, immune function)
Term
What are the signs of Pyridoxine (b-6) deficiency?
Definition
Anemia, neurological changes, buildup of homocysteine (causes CV disease), preeclampsia, given to tx. TB in conjunction w/ Isoniazine (INH)
Term
What are the signs of Pyridoxine (b-6) toxicity?
Definition
Muscle coordination interference, damage to the nervous system.
Term
What are the food sources for Pyridoxine (b-6)?
Definition
meat, organ meats, whole grains, cereals, legumes, bananas.
Term
What is the function of Pantothenic Acid?
Definition
Part of coenzyme A, controls metabolic reactions with carbs, fats, and proteins.
Term
What are the food sources of Pantothenic Acid?
Definition
Eggs, milk, liver, broccoli
Term
What is the function of biotin?
Definition
Aids in carbon dioxide transfer within the body, general metabolism
Term
What are the signs of deficiency of Biotin?
Definition
Raw egg whites and antibiotics can cause deficiency
Term
What are the food sources of biotin?
Definition
Egg yolk, liver, synthesized in intestine.
Term
What is the function of Folate (folic acid/ B-9)?
Definition
Coenzyme which attatches carbons to metabolic compounds (purines, thymine, hemoglobin)
Term
What are the signs of Folate (folic acid/ B-9) deficiency?
Definition
Megaloblastic anemia, neural tube defects in babies: spina bifida (spinal cord remains outside body), increased homocysteine levels, arteriosclerosis, decreased stomach acid=decrease folate absorption (antacids, proton-pump inhibitors)
Term
What are the food sources of folate (folic acid/ B-9)?
Definition
Green leafy vegetables, oranges, orang juice, tomatoes, liver and organ meats, fortified cereals
Term
What is the function of Cobalamine (b-12)?
Definition
Coenzyme in metabolism of protein and the formation of RBC's, formation of myelin sheath covering the brain and spinal cord.
Term
What are the signs of Cobalamine (B-12) deficiency?
Definition
Pernicious anemia (lack of intrinsic factor- necessary to absorb b-12 in stomach) ex. from gastrectomy, elderly.
Term
What is the function of calcium?
Definition
bone/tooth formation, essential for blood clotting, nerve transmission, muscle contraction, cell membrane permeability
Term
What are the signs of calcium deficiency?
Definition
Tetany (severe intermittent spasms, muscle pain, seizures), rickets, osteomalacia, osteoporosis, hyper/hypo parathyroidism
Term
What are the food sources of calcium?
Definition
milk, cheese, yogurt, green leafy vegetables, whole grains, legumes, nuts, fortified soy products and fruit juice
Term
What are the functions of phosphorous?
Definition
bone/tooth growth, ATP (helps transfer energy within the cells), assists in acid-base balance, functions in metabolism of fats, CHO, and protein.
Term
What are the signs of phosphorous deficiency?
Definition
hypophophatemia (tetany due to drop in calcium levels), muscle weakness, metabolic acidosis, heart failure.
Term
what are the food sources of phosphorous?
Definition
milk, cheese, meat, egg yolk, whole grains,legumes, nuts, soft drinks
Term
What is the function of magnesium?
Definition
A major constituent of bone, assists in K+, Ca++ & protein metabolism, essential for neuromuscular function, peripheral vasodilation
Term
what are the signs of magnesium deficiency?
Definition
decreased level: tremor spasm (malnutrition/alcoholism), Arrhythmias
Term
what are the food sources of magnesium?
Definition
milk, cheese, meat, seafood, whole grains, legumes, nuts
Term
What are the functions of sodium?
Definition
most abundant ECF cation, fluid water balance, acts as a buffer base, aides in nerve impulse conduction, helps control muscle contractility
Term
what are the signs of sodium deficieny?
Definition
high blood pressure, confusion, cerebral edema, muscle weakness, acid-base balance disturbance (hyper or hyponatriemia)
Term
what are the food sources of sodium?
Definition
salt, sodium compounds used in baking and food processing, milk, cheese, carrots, spinach, beets, celery.
Term
What are the functions of potassium?
Definition
most abundant ICF cation, maintains fluid balance and ICF osmotic pressure, helps regulate muscle contraction, maintains regular rhythm & contractility of the heart, assists in acid-base balance, essential for glucose utilization by the cells
Term
what are the signs of potassium deficiency?
Definition
heart dysrythmias, treatment of diabetic acidosis, losses in tissue catabolism, fluid-electrolyte balance problems (hyper or hypokalemia)
Term
what are the food sources of potassium?
Definition
fruits (bananas, citrus), veggies, legumes, nuts, whole grain, meat.
Term
what are the functions of chloride?
Definition
most abundant ECF anion, maintains ECF osmotic pressure, essential to formations of HCL of gastric secretions, functions in acid- base balance.
Term
what are the signs of chloride deficiency?
Definition
GI loss= loss of chloride, can lead to muscle cramps, acid-base imbalance
Term
what are the food sources of chloride
Definition
salt
Term
what are the functions of iron?
Definition
hemoglobin synthesis, oxygen transport, cell oxidation
Term
what are the signs of iron deficiency?
Definition
anemia (too little iron), hemochromatosis (too much), increased need in pregnancy and during growth periods
Term
what are the food sources of iron?
Definition
meat, eggs, liver, whole grain and enriched breads, dark green veggies, legumes, nuts
Term
what are the functions of iodine
Definition

thyroid function

*regulates BMR*

Term
what are the signs of iodine deficiency?
Definition
goiter (enlargement of thyroid gland) cretinism (leading cause of brain damage r/t iodine deficient mothers- mental retardation, hypothyroidism, hyperthyroidism
Term
what are the food sources of iodine
Definition
iodized salt, seafood
Term
what are the functions of zinc?
Definition
necessary for normal tissue growth, protein sythesis during growth periods, lactation, DNA/RNA metabolism, necessary for normal tissue growth
Term
what are the signs of zinc deficiency?
Definition
dwarfism, arrested gonad development, loss of taste and smell, *delayed wound healing, congential malformations, caused by malabsorptive disease
Term
what are the food sources of zinc
Definition
beef, meats, liver, oysters, seafood, milk, cheese, eggs, whole grains
Term
what are the functions of copper?
Definition
*twin with iron in hemoglobin formation, energy production
Term
what are the signs of copper deficiency?
Definition
contributes to anemia
Term
what are the food sources of copper
Definition
meat, liver, animal sources, seafood, nuts, legumes
Term
what are the functions of fluoride?
Definition
hardens teeth and bones, prevents dental carries, and osteoporosis
Term
what are the signs of fluoride deficiency?
Definition
dental caries, may reduce bone loss in osteoporosis
Term
what are the food soucres of fluoride?
Definition
fish, tea, fluoridated drinking water
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